1461497634 has 16 divisors (see below), whose sum is σ = 3247772640. Its totient is φ = 487165860.

The previous prime is 1461497629. The next prime is 1461497663. The reversal of 1461497634 is 4367941641.

1461497634 is a `hidden beast` number, since 1 + 4 + 6 + 1 + 4 + 9 + 7 + 634 = 666.

1461497634 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1461497634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13532332 + ... + 13532439.

It is an arithmetic number, because the mean of its divisors is an integer number (202985790).

Almost surely, 2^1461497634 is an apocalyptic number.

1461497634 is an abundant number, since it is smaller than the sum of its proper divisors (1786275006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1461497634 is a wasteful number, since it uses less digits than its factorization.

1461497634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27064782 (or 27064776 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1461497634 is about 38229.5387625851. The cubic root of 1461497634 is about 1134.8349579864.

The spelling of 1461497634 in words is "one billion, four hundred sixty-one million, four hundred ninety-seven thousand, six hundred thirty-four".